package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @description:
 * @author: BlueSky
 * @create: 2021-08-18 11:31
 **/
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

	private Set<Integer> set = new HashSet<>();
	//初始化方法
	@Override
	public void initialize(ListValue constraintAnnotation) {
		int[] vals = constraintAnnotation.vals();
		for (int val : vals) {
			set.add(val);
		}
	}

	//判断是否校验成功
	/**
	 * @param value	需要校验的值
	 * @param context
	 * @return
	 */
	@Override
	public boolean isValid(Integer value, ConstraintValidatorContext context) {
		return set.contains(value);
	}
}
